Merge branch 'master' into issue-1334

* master: (50 commits)
  update NoErrorsPlugin to NoEmitOnErrorsPlugin
  Undo change to `swagger-client` dependency
  trigger setScheme when a new set of schemes come in
  fix eslint issues
  pin yams version
  update dist
  revert dependencies
  minify bundle css
  migrate webpack to v2.6.1
  #3110 - Fix models down arrow icon in firefox
  Fixes #3299 - export validateNumber and validateInteger for easy reuse and testing. Broke validateParam required check onto multiple lines. Added tests for validateNumber, validateInteger, and validateParam
  Improve README with more information about `urls`
  Rename variable: "selectedName" -> "primaryName"
  "name" -> "urls.primaryName"
  Update selectedIndex when a new URL is loaded
  Use select value to avoid react warning
  Properly added name config Now access it through getConfigs Documented it in README
  Add displayRequestDuration configuration option.
  Fix for #2947 - Display property names for non-object models
  #3256 - Remove unnecessary JSON.stringify call on example values that are already strings
  ...

# Conflicts:
#	dist/swagger-ui-bundle.js
#	dist/swagger-ui-bundle.js.map
#	dist/swagger-ui-standalone-preset.js
#	dist/swagger-ui-standalone-preset.js.map
#	dist/swagger-ui.css
#	dist/swagger-ui.css.map
#	dist/swagger-ui.js
#	dist/swagger-ui.js.map
#	make-webpack-config.js
#	package.json
#	webpack-dist.config.js
#	webpack-hot-dev-server.config.js

dist/index.html

@@ -71,6 +71,7 @@
 <script src="./swagger-ui-standalone-preset.js"> </script>
 <script>
 window.onload = function() {
+  
   // Build a system
   const ui = SwaggerUIBundle({
     url: "http://petstore.swagger.io/v2/swagger.json",